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| /* imports */ | |
| const PageWrapper = Comp => | |
| class extends React.Component { | |
| /* | |
| * We need to use args.ctx here instead of args | |
| * See https://github.com/zeit/next.js#custom-document | |
| */ | |
| static async getInitialProps(args) { | |
| return { | |
| ua: args.ctx.req | |
| ? args.ctx.req.headers['user-agent'] | |
| : navigator.userAgent, | |
| ...(Comp.getInitialProps ? await Comp.getInitialProps(args) : null), | |
| } | |
| } | |
| render() { | |
| const {ua, ...props} = this.props | |
| return ( | |
| <UserAgentProvider ua={ua}> | |
| <Comp {...props} /> | |
| </UserAgentProvider> | |
| ) | |
| } | |
| } | |
| class MyApp extends App { | |
| render() { | |
| const {Component, pageProps} = this.props | |
| return ( | |
| <Container> | |
| <Page> | |
| <Component {...pageProps} /> | |
| </Page> | |
| </Container> | |
| ) | |
| } | |
| } | |
| // use the PageWrapper only once! | |
| export default PageWrapper(MyApp) |
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